Measurement and Instrumentation Figure show an RC potentiometer to measure AC voltage. It is desire that Vo/Vi should be independent of frequency. The value of C shoud be 0.09 µF. 11 µF. 0.1 µF. 10 µF. 0.09 µF. 11 µF. 0.1 µF. 10 µF. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A. 5 4 1 2 5 4 1 2 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The controlling torque of an indicating instrument ______ as the deflection of the moving system increases. None of the listed here Increases Remains same Decreases None of the listed here Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If two 300V full scale voltmeters V1 and V2 having sensitivities of 100 kOhm/V and 150 kOhm/V are connected in series to measure 500V then V1 = 250V and V2 = 250V. V1 = 200V and V2 = 300V. V1 = 0V and V2 = 0V. V1 = 300V and V2 = 200V. V1 = 250V and V2 = 250V. V1 = 200V and V2 = 300V. V1 = 0V and V2 = 0V. V1 = 300V and V2 = 200V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the measured value and the true value is called relative error gross error probable error absolute error relative error gross error probable error absolute error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance in the circuit of the moving coil of a dynamometer wattmeter should be Low High None of the listed here Almost zero Low High None of the listed here Almost zero ANSWER DOWNLOAD EXAMIANS APP